<?php

namespace app\api\controller\user;

use PDO;
use think\Controller;
use think\Cookie;

class Address extends Controller{
    public function __construct()
    {
        parent::__construct();
        $this->UserModel=model('User.User');
        $this->AddressModel=model('User.Address');
        $this->RegionModel=model('Region');
    }

    // 收货地址的列表
    public function index(){
        if($this->request->isPost()){
            $userid=$this->request->param('userid',0);

            // 先判断这个人是否存在
            $user=$this->UserModel->find($userid);

            if(!$user){
                $this->error('用户不存在');
                exit;
            }

            $list=$this->AddressModel->with(['provinces','citys','districts'])->where(['userid'=>$userid])->select();

            $this->success('返回收货地址成功',null,$list);
            exit;
        }
    }

    // 新增收货地址
    public function add()
    {
        if($this->request->isPost())
        {
            $params = $this->request->param();

            //获取用户id 判断用户是否存在
            $userid = $this->request->param('userid', 0);
            $code = $this->request->param('code', 0);

            $user = $this->UserModel->find($userid);

            if(!$user)
            {
                $this->error('用户不存在');
                exit;
            }

            //组装数据
            $data = [
                'consignee' => $params['consignee'],
                'mobile' => $params['mobile'],
                'address' => $params['address'],
                'status' => $params['status'],
                'userid' => $params['userid'],
            ];

            //查询地区数据
            $parentpath = $this->RegionModel->where(['code' => $code])->value('parentpath');

            if(empty($parentpath))
            {
                $this->error('您所选择的地区不存在,请重新选择');
                exit;
            }

            //将字符串转换为数组
            $path = explode(',', $parentpath);

            if(count($path) <= 0)
            {
                $this->error('您所选择的地区不存在,请重新选择');
                exit;
            }

            //将数组里面的值分别给到不同的变量
            list($data['province'], $data['city'], $data['district']) = $path;


            //判断是否选择了默认地址
            if($data['status'] == 1)
            {
                //将这个人所有的收货地址都要改成非默认
                $UpdateStatus = $this->AddressModel->where(['userid' => $userid])->update(['status' => 0]);

                if($UpdateStatus === FALSE)
                {
                    $this->error('更新默认收货地址失败');
                    exit;
                }
            }

            //插入数据库
            $result = $this->AddressModel->validate('common/User/Address')->save($data);

            if($result === FALSE)
            {
                $this->error($this->AddressModel->getError());
                exit;
            }else
            {
                $this->success('添加收货地址成功');
                exit;
            }

        }

    }

    //编辑收货地址
    public function edit()
    {
        if($this->request->isPost())
        {
            $params = $this->request->param();

            //获取用户id 判断用户是否存在
            $userid = $this->request->param('userid', 0);
            $addrid = $this->request->param('addrid', 0);
            $code = $this->request->param('code', 0);

            $user = $this->UserModel->find($userid);

            if(!$user)
            {
                $this->error('用户不存在');
                exit;
            }

            $address = $this->AddressModel->find($addrid);

            if(!$address)
            {
                $this->error('收货地址不存在');
                exit;
            }

            if($address['userid'] != $userid)
            {
                $this->error('非法修改他人地址，无权修改');
                exit;
            }

            //组装数据
            $data = [
                'id' => $addrid,
                'consignee' => $params['consignee'],
                'mobile' => $params['mobile'],
                'address' => $params['address'],
                'status' => $params['status'],
                'userid' => $params['userid'],
            ];

            //查询地区数据
            $parentpath = $this->RegionModel->where(['code' => $code])->value('parentpath');

            if(empty($parentpath))
            {
                $this->error('您所选择的地区不存在,请重新选择');
                exit;
            }

            //将字符串转换为数组
            $path = explode(',', $parentpath);

            if(count($path) <= 0)
            {
                $this->error('您所选择的地区不存在,请重新选择');
                exit;
            }

            //将数组里面的值分别给到不同的变量
            list($data['province'], $data['city'], $data['district']) = $path;


            //判断是否选择了默认地址
            if($data['status'] == 1)
            {
                //将这个人所有的收货地址都要改成非默认
                $UpdateStatus = $this->AddressModel->where(['userid' => $userid])->update(['status' => 0]);

                if($UpdateStatus === FALSE)
                {
                    $this->error('更新默认收货地址失败');
                    exit;
                }
            }

            //更新数据库
            $result = $this->AddressModel->validate('common/User/Address')->isUpdate(true)->save($data);

            if($result === FALSE)
            {
                $this->error($this->AddressModel->getError());
                exit;
            }else
            {
                $this->success('更新收货地址成功');
                exit;
            }

        }

    }

    // 查询当前地址
    public function info(){
        if($this->request->isPost()){
            // 获取所有数据
            $addrid=$this->request->param('addrid',0);
            $userid=$this->request->param('userid',0);
            
            $user=$this->UserModel->find($userid);

            if(!$user){
                $this->error('用户不存在');
                exit;
            }

            $address=$this->AddressModel->with(['provinces','citys','districts'])->find($addrid);

            if(!$address){
                $this->error('收货地址不存在');
                exit;
            }

            if($address['userid'] != $userid){
                $this->error('非法修改他人地址，无权修改');
                exit;
            }

            $this->success('返回收货地址成功',null,$address);
            exit;
        }
    }

    // 切换默认收货地址
    public function check(){
        if($this->request->isPost()){
            $userid=$this->request->param('userid',0);
            $addrid=$this->request->param('addrid',0);

            $user=$this->UserModel->find($userid);

            if(!$user){
                $this->error('用户不存在');
                exit;
            }

            $address=$this->AddressModel->find($addrid);

            if(!$address){
                $this->error('收货地址不存在');
                exit;
            }

            if($address['userid'] != $userid){
                $this->error('非法修改他人地址，无权修改');
                exit;
            }

            // 先把这个人的所有的收货地址都改成0 非默认，再改指定的这个id地址
            // 开启事务
            $this->AddressModel->startTrans();

            // 更新
            $UpdateStatus=$this->AddressModel->where(['userid'=>$userid])->update(['status'=>0]);

            if($UpdateStatus === FALSE){
                $this->error('更新默认收货地址失败');
                exit;
            }

            // 更新选中的地址
            $result=$this->AddressModel->where(['id'=>$addrid])->update(['status'=>1]);

            if($result=== FALSE){
                // 回滚事务
                $this->AddressModel->rollback();
                $this->error('更新默认地址失败');
                exit;
            }else{
                // 提交事务
                $this->AddressModel->commit();
                $this->success('更新默认地址成功');
                exit;
            }
        }
    }

    // 删除
    public function del(){
        if($this->request->isPost()){
            $userid=$this->request->param('userid',0);
            $addrid=$this->request->param('addrid',0);

            $user=$this->UserModel->find($userid);

            if(!$user){
                $this->error('用户不存在');
                exit;
            }

            $address=$this->AddressModel->find($addrid);

            if(!$address){
                $this->error('收货地址不存在');
                exit;
            }

            if($address['userid'] != $userid){
                $this->error('非法修改他人地址，无权修改');
                exit;
            }

            // 删除选中的地址
            $result=$this->AddressModel->destroy($addrid);

            if($result === FALSE){
                $this->error('删除失败');
                exit;
            }else{
                $this->success('删除成功');
                exit;
            }
        }
    }

    // 默认的下单的收货地址
    public function order(){
        if($this->request->isPost()){
            $userid=$this->request->param('userid',0);

            $user=$this->UserModel->find($userid);

            if(!$user){
                $this->error('用户不存在');
                exit;
            }

            $where=[
                'userid'=>$userid,
                'status'=>1
            ];

            // 查找这个人的默认收货地址
            $address=$this->AddressModel->with(['provinces','citys','districts'])->where($where)->find();

            if($address){
                $this->success('返回默认收货地址',null,$address);
                exit;
            }

            // 如果没有默认的收货地址，就随便在一条给他
            $info=$this->AddressModel->with(['provinces','citys','districts'])->where(['userid'=>$userid])->find();

            if(!$info){
                $this->error('暂无收货地址');
                exit;
            }

            $this->success('返回默认收货地址',null,$info);
            exit;
        }
    }
}
